Quick and Easy Buying Guide

Carat weight: 1 carat = 200 milligrams = 6.5 mm diameter. Doubling weight doesn't double diameter.

Diamond clarity: FL/IF/VVS/VS = super expensive, near perfect. SI = best value if you can check a photo for obvious inclusions (defects).

 

Color: D-G = colorless, expensive, only if you have money to burn. H-J = best value. Can go lower in gold metal settings than white metal.

Cut: Better cut ratings let more light into a diamond, making it sparkle more. Very important property, don't skimp here.

Set a budget and minimum cut (Premium). Go J color for gold and I/H for white metals. Go searching for SI1/SI2 clarity diamonds at James Allen. Pick a diamond with small/no inclusions. Choose a ring setting and buy it risk-free (60-day returns).

Actual 1.80 Carat Princess Shape Diamond Size on Hand

The precise size of a 1.80 carat weight princess shape diamond will vary depending on the depth of cut, but is usually in the ballpark of around 7.5 mm along one square edge. While this picture will give you an approximate idea of how massive a diamond will seem when viewed on the hand, remember that the ring size you choose or need could be quite different in size to that shown in this image. Fingers that are long and slender will affect how a diamond appears as much as the diamond's carat weight - so look beyond just considering the 1.80 carat weight of this princess diamond.

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